From http://launchpadlibrarian.net/11477140/buildlog_ubuntu-hardy-i386.audacity_1.3.4-1.1ubuntu1_FULLYBUILT.txt.gz

configure: Libsndfile libraries are available as system libraries
checking for ./lib-src/libsndfile/src/sndfile.h.in... no
configure: libsndfile libraries are NOT available in this source tree

configure: Libsamplerate libraries are available as system libraries
checking for ./lib-src/libsamplerate/src/samplerate.h... no
configure: libsamplerate libraries are NOT available in the local tree

configure: Vorbis libraries are available as system libraries
checking for ./lib-src/libvorbis/include/vorbis/vorbisenc.h... no
checking for ./lib-src/libogg/include/ogg/ogg.h... no
configure: Vorbis libraries are NOT available in this source tree

configure: libmad libraries are available as system libraries
checking for ./lib-src/libmad/frame.h... no
configure: libmad libraries are NOT available in the local tree

configure: FLAC libraries are available as system libraries
checking for ./lib-src/libflac/include/FLAC/format.h... no
checking for ./lib-src/libflac/include/FLAC++/decoder.h... no
configure: FLAC libraries are NOT available in this source tree

configure: Libid3tag libraries are available as system libraries
checking for ./lib-src/libid3tag/frame.h... no
configure: libid3tag libraries are NOT available in the local tree
checking for SOUNDTOUCH... no
configure: Libsoundtouch libraries are NOT available as system libraries
checking for ./lib-src/soundtouch/include/SoundTouch.h... no
configure: libsoundtouch libraries are NOT available in the local tree

checking for ./lib-src/twolame/libtwolame/twolame.h... no
configure: libtwolame library is NOT available in the local tree

configure: Figuring out what libraries to enable
configure: Using the SYSTEM libraries for LIBVORBIS because you specifically requested this
configure: Using the SYSTEM libraries for LIBMAD because you specifically requested this
configure: Using the SYSTEM libraries for LIBSNDFILE because you specifically requested this
configure: Using the SYSTEM libraries for LIBFLAC because you specifically requested this
configure: Using the SYSTEM libraries for LIBID3TAG because you specifically requested this
configure: Using SYSTEM libraries for LIBSAMPLERATE
configure: Using LOCAL libraries for LIBRESAMPLE
configure: disabling LIBSOUNDTOUCH
configure: Using LOCAL libraries for LIBNYQUIST
configure: Using LOCAL libraries for LIBVAMP
configure: Using the SYSTEM libraries for LIBEXPAT because you specifically requested this
configure: disabling LIBTWOLAME

Finished configure:
LIBVORBIS: using SYSTEM libraries
LIBMAD: using SYSTEM libraries
LIBSNDFILE: using SYSTEM libraries
LIBFLAC: using SYSTEM libraries
LIBID3TAG: using SYSTEM libraries
LIBSAMPLERATE: disabled
LIBRESAMPLE: using LOCAL libraries
LIBSOUNDTOUCH: disabled
LIBNYQUIST: using LOCAL libraries
LIBVAMP: using LOCAL libraries
LIBEXPAT: using SYSTEM libraries
LIBTWOLAME: disabled
ladspa: enabled
audiounits: disabled
prefix=/usr
portaudio: v19

dpkg-shlibdeps: warning: debian/audacity/usr/bin/audacity shouldn't be linked with libwx_gtk2u_xrc-2.6.so.0 (it uses none of its symbols).
dpkg-shlibdeps: warning: debian/audacity/usr/bin/audacity shouldn't be linked with libwx_gtk2u_qa-2.6.so.0 (it uses none of its symbols).
dpkg-shlibdeps: warning: debian/audacity/usr/bin/audacity shouldn't be linked with libwx_baseu_xml-2.6.so.0 (it uses none of its symbols).